A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 67
the proof-line AC= 11-04. Required the content. Am. 4 A. 2 R. 38 P. Ex. 5. The sides of a four-sided field are as follows: A B = 8-95, B C= 5-33, CD = 10-10, D A= 6-54; the diagonal from A to C is 11-52; theproof diagonal from B to D is 10-92. Required the content. Arts. Ex. 6. In a four-sided… … SURVEYING BY DIAGONALS. 53 enough to divide the field into triangles, of which there will always bo twoless than the number of sides. Choose such diagonals as will divide thefield into triangles as nearly equilateral as possible. Measure also one or morediagonals for proof-lines.1 It is well for…
Surveying
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